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食品研究与开发:2017,38(3):101-105
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发酵型核桃乳发酵工艺的研究
赵娟娟1,吴荣荣1,程书梅2
(1. 衡水学院 生命科学系,河北 衡水 053000;2. 河北农业大学 食品科技学院, 河北 保定 071001)
Study on Walnut Milk Fermentation Process
ZHAO Juan-juan1, WU Rong-rong1, CHENG Shu-mei2
(1. Department of Life Science, Hengshui University, Hengshui 053000, Hebei, China;2. College of Food Science and Technology,Hebei Agricultural University , Baoding 071001,Hebei, China)
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投稿时间:2016-05-06    
中文摘要: 以核桃乳为主要原料,采用乳酸菌干粉制剂 HS101 通过发酵工艺的研究开发发酵型核桃乳饮料。试验结果表 明:最适宜的辅料配比为 3 %乳清粉,4 %葡萄糖;杀菌温度 88 ℃。最佳发酵条件为 pH 7.0,接种量 0.014 g/250 mL,培养 时间 8.0 h,培养温度 42 ℃。发酵型核桃乳的 13 种氨基酸均有不同程度的提高,其中赖氨酸含量增加了 0.19 %、色氨酸 含量增加了 0.03 %。由此可见,经过乳酸菌发酵,提高了核桃乳的营养价值。
中文关键词: 核桃乳  乳酸菌  发酵工艺  氨基酸
Abstract:The fermentation process of walnut milk by lactic acid bacteria HS101 was studied .The results showed the most suitable materials ratio was: 3 % whey powder, 4 % glucose, best sterilization temperature was 88 ℃. The optimum conditions were pH 7.0, inoculum 0.014 g / 250 mL, cultivation time 8.0 h and temperature 42 ℃. 13 kinds of amino acid increased at different degrees in fermented walnut milk, in which lysine increased 0.19 % , tryptophan 0.03 %. According to the above result there was a significantly improvement in the nutri- tional value of walnuts milk after the fermentation.
文章编号:201703022     中图分类号:    文献标志码:A
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